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pro vyhledávání: '"Mirakhor, Mohammad"'
We present our findings from the new deep Chandra observations ($256$ ks) of the merging galaxy cluster SPT-CL J2031-4037 at $z = 0.34$. Our observations reveal intricate structures seen in a major merger akin to the Bullet Cluster. The X-ray data co
Externí odkaz:
http://arxiv.org/abs/2406.19264
Autor:
Bagchi, Joydeep, Ray, Shankar, Dhiwar, Suraj, Dabhade, Pratik, Barth, Aaron, Ho, Luis C., Mirakhor, Mohammad S., Walker, Stephen A., Nesvadba, Nicole, Combes, Francoise, Fabian, Andrew, Jacob, Joe
This study delves into the bulge-disc components and stellar mass distribution in the fast-rotating, highly massive spiral galaxy 2MASX~J23453268-0449256, distinguished by extraordinary radio jets extending to Mpc scales. Using high-resolution multi-
Externí odkaz:
http://arxiv.org/abs/2405.01910
Autor:
Mernier, François, Su, Yuanyuan, Markevitch, Maxim, Zhang, Congyao, Simionescu, Aurora, Rasia, Elena, Lin, Sheng-Chieh, Zhuravleva, Irina, Sarkar, Arnab, Kraft, Ralph P., Ogorzalek, Anna, Ayromlou, Mohammadreza, Forman, William R., Jones, Christine, Bregman, Joel N., Ettori, Stefano, Dolag, Klaus, Biffi, Veronica, Churazov, Eugene, Sun, Ming, ZuHone, John, Bogdán, Ákos, Khabibullin, Ildar I., Werner, Norbert, Truong, Nhut, Chakraborty, Priyanka, Walker, Stephen A., Vogelsberger, Mark, Pillepich, Annalisa, Mirakhor, Mohammad S.
Synthesized in the cores of stars and supernovae, most metals disperse over cosmic scales and are ultimately deposited well outside the gravitational potential of their host galaxies. Since their presence is well visible through their X-ray emission
Externí odkaz:
http://arxiv.org/abs/2310.04499
Autor:
Gouin, Celine, Bonamente, Massimiliano, Galarraga-Espinosa, Daniela, Walker, Stephen, Mirakhor, Mohammad
Publikováno v:
A&A 680, A94 (2023)
Context. Whereas X-ray clusters are extensively used for cosmology, their idealistic modelling, through the hypotheses of spherical symmetry and hydrostatic equilibrium, are more and more being questioned. Along these lines, the soft X-ray emission d
Externí odkaz:
http://arxiv.org/abs/2306.04694
Autor:
Ray, Shankar, Bagchi, Joydeep, Dhiwar, Suraj, Pandge, Mahadev B., Mirakhor, Mohammad, Walker, Stephen A., Mukherjee, Dipanjan
We present Hubble Space Telescope (HST) observations of the nearby, massive, highly rotating hybrid galaxy UGC~12591, along with observations in UV to FIR bands. HST data in V, I, and H bands is used to disentangle the structural components. Surface
Externí odkaz:
http://arxiv.org/abs/2203.02885
In this study, we investigate the gas mass distribution for a sample of massive, high-red shift, galaxy clusters using Chandra X-ray data and some One Centimetre Receiver array Sunyaev-Zel'dovich effect data. We begin with an investigation of the gas
Externí odkaz:
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.702455
Autor:
Mirakhor, Mohammad S.
I investigate an analytical model of galaxy clusters based on the assumption that the intracluster medium plasma is polytropic and is in hydrostatic equilibrium. The Einasto profile is adopted as a model for the spatial-density distribution of dark m
Externí odkaz:
http://arxiv.org/abs/1809.01081
Akademický článek
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Autor:
Ray, Shankar, Bagchi, Joydeep, Dhiwar, Suraj, Pandge, M B, Mirakhor, Mohammad, Walker, Stephen A, Mukherjee, Dipanjan
Publikováno v:
Monthly Notices of the Royal Astronomical Society; 11/30/2022, Vol. 517 Issue 1, p99-117, 19p
Publikováno v:
Monthly Notices of the Royal Astronomical Society; 7/30/2022, Vol. 514 Issue 1, p416-426, 11p